Tire tread



FIG. 1 is a perspective view of a tire tread;

FIG. 2 is an enlarged partial side view thereof;

FIG. 3 is a front view thereof; and,

FIG. 4 is an enlarged partial front view thereof.

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the claimed tire tread and the unclaimed sidewall depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 